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-rw-r--r--karbon/render/vqpainter.cpp284
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diff --git a/karbon/render/vqpainter.cpp b/karbon/render/vqpainter.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2001, The Karbon Developers
+ Copyright (C) 2002, The Karbon Developers
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+// qpainter wrapper
+
+#include "vqpainter.h"
+#include "vstroke.h"
+#include "vcolor.h"
+#include "vfill.h"
+
+#include <tqpainter.h>
+#include <tqpaintdevice.h>
+#include <tqpen.h>
+
+#include <KoPoint.h>
+#include <kdebug.h>
+
+VTQPainter::VTQPainter( TQPaintDevice *target, unsigned int w, unsigned int h ) : VPainter( target, w, h ), m_painter( 0L ), m_target( target ), m_width( w ), m_height( h )
+{
+ m_zoomFactor = 1;
+ m_index = 0;
+ m_painter = new TQPainter( target );
+}
+
+VTQPainter::~VTQPainter()
+{
+ delete m_painter;
+}
+
+void
+VTQPainter::resize( unsigned int w, unsigned int h )
+{
+ m_width = w;
+ m_height = h;
+}
+
+void
+VTQPainter::blit( const KoRect & )
+{
+ end();
+}
+
+void
+VTQPainter::clear( const TQColor &c )
+{
+ m_painter->setBackgroundColor( c );
+ m_painter->eraseRect( 0, 0, m_width, m_height );
+}
+
+void
+VTQPainter::begin()
+{
+ if( !m_painter->isActive() )
+ {
+ m_painter->begin( m_target );
+ m_painter->eraseRect( 0, 0, m_width, m_height );
+ }
+}
+
+void
+VTQPainter::end()
+{
+ m_painter->end();
+}
+
+const TQWMatrix
+VTQPainter::worldMatrix()
+{
+ return m_painter->worldMatrix();
+}
+
+void
+VTQPainter::setWorldMatrix( const TQWMatrix& mat )
+{
+ m_painter->setWorldMatrix( mat );
+}
+
+void
+VTQPainter::setZoomFactor( double zoomFactor )
+{
+ m_zoomFactor = zoomFactor;
+ /*TQWMatrix mat;
+ mat.scale( zoomFactor, zoomFactor );
+ m_painter->setWorldMatrix( mat );*/
+}
+
+void
+VTQPainter::moveTo( const KoPoint &p )
+{
+ //m_index = 0;
+ if( m_pa.size() <= m_index )
+ m_pa.resize( m_index + 10 );
+
+ m_pa.setPoint( m_index, static_cast<int>(p.x() * m_zoomFactor), static_cast<int>(p.y() * m_zoomFactor) );
+
+ m_index++;
+}
+
+void
+VTQPainter::lineTo( const KoPoint &p )
+{
+ if( m_pa.size() <= m_index )
+ m_pa.resize( m_index + 10 );
+
+ m_pa.setPoint( m_index, static_cast<int>(p.x() * m_zoomFactor), static_cast<int>(p.y() * m_zoomFactor) );
+
+ m_index++;
+}
+
+void
+VTQPainter::curveTo( const KoPoint &p1, const KoPoint &p2, const KoPoint &p3 )
+{
+ // calculate cubic bezier using a temp TQPointArray
+ TQPointArray pa( 4 );
+ pa.setPoint( 0, m_pa.point( m_index - 1 ).x(), m_pa.point( m_index - 1 ).y() );
+ pa.setPoint( 1, static_cast<int>(p1.x() * m_zoomFactor), static_cast<int>(p1.y() * m_zoomFactor) );
+ pa.setPoint( 2, static_cast<int>(p2.x() * m_zoomFactor), static_cast<int>(p2.y() * m_zoomFactor) );
+ pa.setPoint( 3, static_cast<int>(p3.x() * m_zoomFactor), static_cast<int>(p3.y() * m_zoomFactor) );
+
+ TQPointArray pa2( pa.cubicBezier() );
+
+ m_pa.resize( m_index + pa2.size() );
+ m_pa.putPoints( m_index, pa2.size(), pa2 );
+
+ m_index += pa2.size();
+}
+
+void
+VTQPainter::newPath()
+{
+ m_index = 0;
+}
+
+void
+VTQPainter::fillPath()
+{
+ // we probably dont need filling for qpainter
+ //m_index = 0;
+ m_painter->drawPolygon( m_pa, FALSE, 0, m_index );
+}
+
+void
+VTQPainter::strokePath()
+{
+ m_painter->drawPolyline( m_pa, 0, m_index );
+ m_index = 0;
+}
+
+void
+VTQPainter::setPen( const VStroke &stroke )
+{
+ TQPen pen;
+
+ // color + linewidth
+ pen.setColor( stroke.color() );
+ pen.setWidth( static_cast<int>(stroke.lineWidth()) );
+
+ // caps
+ if( stroke.lineCap() == VStroke::capButt )
+ pen.setCapStyle( Qt::FlatCap );
+ else if( stroke.lineCap() == VStroke::capRound )
+ pen.setCapStyle( Qt::RoundCap );
+ else if( stroke.lineCap() == VStroke::capSquare )
+ pen.setCapStyle( Qt::SquareCap );
+
+ m_painter->setPen( pen );
+}
+
+void
+VTQPainter::setBrush( const VFill &fill )
+{
+ switch( fill.type() )
+ {
+ case VFill::none:
+ m_painter->setBrush( TQt::NoBrush );
+ break;
+ case VFill::solid:
+ m_painter->setBrush( TQBrush( fill.color(), TQt::SolidPattern ) );
+ break;
+ case VFill::grad:
+ // gradients are nor supported by qpainter
+ m_painter->setBrush( TQt::NoBrush );
+ break;
+ case VFill::patt:
+ // pixmap brushes not supported for printing
+ m_painter->setBrush( TQBrush( fill.color(), fill.pattern().pixmap() ) );
+ break;
+ default:
+ break;
+ }
+}
+
+void
+VTQPainter::setPen( const TQColor &c )
+{
+ m_painter->setPen( c );
+}
+
+void
+VTQPainter::setPen( Qt::PenStyle style )
+{
+ m_painter->setPen( style );
+}
+
+void
+VTQPainter::setBrush( const TQColor &c )
+{
+ m_painter->setBrush( c );
+}
+
+void
+VTQPainter::setBrush( TQt::BrushStyle style )
+{
+ m_painter->setBrush( style );
+}
+
+void
+VTQPainter::save()
+{
+ m_painter->save();
+}
+
+void
+VTQPainter::restore()
+{
+ m_painter->restore();
+}
+
+void
+VTQPainter::setRasterOp( TQt::RasterOp r )
+{
+ m_painter->setRasterOp( r );
+}
+
+void
+VTQPainter::drawNode( const KoPoint &p, int width )
+{
+ m_painter->drawRect( TQRect( int( p.x() * m_zoomFactor ) - width, int( p.y() * m_zoomFactor ) - width,
+ 2 * width + 1, 2 * width + 1 ) );
+}
+
+void
+VTQPainter::drawRect( const KoRect &rect )
+{
+ m_painter->drawRect( TQRect( int( rect.x() ), int( rect.y() ), int( rect.width() ), int( rect.height() ) ) );
+}
+
+void
+VTQPainter::drawImage( const TQImage &image, const TQWMatrix &affine )
+{
+ TQWMatrix matrix = m_painter->worldMatrix();
+
+ double m11 = affine.m11() * matrix.m11() * m_zoomFactor + affine.m12() * matrix.m21();
+ double m12 = (affine.m11() * matrix.m12() + affine.m12() * matrix.m22() ) * m_zoomFactor;
+ double m21 = (affine.m21() * matrix.m11() + affine.m22() * matrix.m21() ) * m_zoomFactor;
+ double m22 = affine.m22() * matrix.m22() * m_zoomFactor + affine.m21() * matrix.m12();
+ double dx = matrix.dx() + affine.dx() * m_zoomFactor;
+ double dy = matrix.dy() - affine.dy() * m_zoomFactor;
+
+ TQWMatrix world( m11, m12, m21, m22, dx, dy );
+
+ m_painter->setWorldMatrix( world );
+
+ m_painter->drawImage( TQPoint( 0, 0 ), image );
+ // restore old world matrix
+ m_painter->setWorldMatrix( matrix );
+}